ACRS Aclaris Therapeutics, Inc.
Aclaris Therapeutics, Inc. (ACRS) Institutional Ownership
What the institutions did with ACRS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeOwnership map
Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 12.7M | 10.5% |
| BML Capital Management, LLC | 12.0M | 9.9% |
| BlackRock, Inc. | 10.0M | 8.3% |
| Deep Track Capital, LP | 9.3M | 7.7% |
| Vivo Capital, LLC | 6.7M | 5.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.8M | 4.8% |
| Frazier Life Sciences Management, L.P. | 4.9M | 4.1% |
| Rock Springs Capital Management LP | 4.3M | 3.6% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.1M | 3.4% |
| Decheng Capital LLC | 4.0M | 3.3% |
| Kalehua Capital Management LLC | 3.7M | 3.0% |
| STATE STREET CORP | 3.3M | 2.7% |
| GEODE CAPITAL MANAGEMENT, LLC | 3.2M | 2.6% |
| BRAIDWELL LP | 2.1M | 1.8% |
| Balyasny Asset Management L.P. | 2.0M | 1.7% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1.9M | 1.6% |
| CITADEL ADVISORS LLC | 1.8M | 1.5% |
| Jones Hill Capital LP | 1.8M | 1.5% |
| ACADIAN ASSET MANAGEMENT LLC | 1.6M | 1.4% |
| Palo Alto Investors LP | 1.6M | 1.3% |
| Woodline Partners LP | 1.6M | 1.3% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.5M | 1.2% |
| PANAGORA ASSET MANAGEMENT INC | 1.4M | 1.1% |
| Connor, Clark & Lunn Investment Management Ltd. | 1.2M | 1.0% |
| MPM BIOIMPACT LLC | 1.0M | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | Increased | 6.8M | 12.7M | +5.9M |
| BlackRock, Inc. | Increased | 7.4M | 10.0M | +2.6M |
| MORGAN STANLEY | Reduced | 2.7M | 134.1K | -2.6M |
| BML Capital Management, LLC | Reduced | 14.3M | 12.0M | -2.3M |
| SILVERARC CAPITAL MANAGEMENT, LLC | New | 0 | 1.9M | +1.9M |
| Jones Hill Capital LP | New | 0 | 1.8M | +1.8M |
| Balyasny Asset Management L.P. | Reduced | 3.4M | 2.0M | -1.3M |
| STATE STREET CORP | Increased | 2.0M | 3.3M | +1.2M |
| PANAGORA ASSET MANAGEMENT INC | Increased | 502.3K | 1.4M | +853.9K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.4M | 3.2M | +766.4K |
| MARSHALL WACE, LLP | Sold Out | 713.0K | 0 | -713.0K |
| MPM BIOIMPACT LLC | Increased | 391.9K | 1.0M | +650.5K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 5.2M | 5.8M | +650.4K |
| Monashee Investment Management LLC | Sold Out | 500.0K | 0 | -500.0K |
| Kalehua Capital Management LLC | Increased | 3.2M | 3.7M | +494.8K |
| CITADEL ADVISORS LLC | Reduced | 2.2M | 1.8M | -487.2K |
| D. E. Shaw & Co., Inc. | Reduced | 900.8K | 414.5K | -486.3K |
| BRAIDWELL LP | Increased | 1.7M | 2.1M | +443.2K |
| ORBIMED ADVISORS LLC | New | 0 | 421.5K | +421.5K |
| Tetragon Partners GP Ltd | New | 0 | 400.0K | +400.0K |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 502.6K | 817.5K | +314.9K |
| Logos Global Management LP | Reduced | 500.0K | 200.0K | -300.0K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 628.9K | 907.2K | +278.3K |
| NORTHERN TRUST CORP | Increased | 728.2K | 998.8K | +270.5K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 395.6K | 133.1K | -262.6K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Reduced | 330.0K | 75.0K | -255.0K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 756.1K | 523.9K | -232.2K |
| MACKENZIE FINANCIAL CORP | Sold Out | 213.4K | 0 | -213.4K |
| Connor, Clark & Lunn Investment Management Ltd. | Reduced | 1.4M | 1.2M | -208.5K |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Increased | 3.9M | 4.1M | +200.0K |
| Qube Research & Technologies Ltd | Sold Out | 194.5K | 0 | -194.5K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 1.7M | 1.5M | -190.3K |
| Nuveen, LLC | Increased | 118.0K | 278.4K | +160.4K |
| Atom Investors LP | New | 0 | 148.9K | +148.9K |
| Rock Springs Capital Management LP | Reduced | 4.5M | 4.3M | -142.1K |
| FMR LLC | Increased | 176.4K | 313.9K | +137.5K |
| ADAR1 Capital Management, LLC | Sold Out | 132.4K | 0 | -132.4K |
| Assenagon Asset Management S.A. | Increased | 177.3K | 309.1K | +131.8K |
| Woodline Partners LP | Increased | 1.5M | 1.6M | +125.4K |
| AMERICAN CENTURY COMPANIES INC | Sold Out | 118.7K | 0 | -118.7K |
| CITIGROUP INC | Increased | 7.8K | 117.8K | +110.0K |
| SUPERSTRING CAPITAL MANAGEMENT LP | Reduced | 366.5K | 257.7K | -108.8K |
| Hudson Bay Capital Management LP | Increased | 16.8K | 120.0K | +103.2K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 1.5M | 1.6M | +101.7K |
| Verition Fund Management LLC | New | 0 | 98.0K | +98.0K |
| XTX Topco Ltd | Sold Out | 97.8K | 0 | -97.8K |
| HighTower Advisors, LLC | Reduced | 305.8K | 217.5K | -88.3K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 261.0K | 346.1K | +85.1K |
| SEI INVESTMENTS CO | Reduced | 217.2K | 138.8K | -78.4K |
| Voleon Capital Management LP | New | 0 | 77.2K | +77.2K |
| Bank of New York Mellon Corp | Increased | 207.0K | 282.6K | +75.6K |
| WELLS FARGO & COMPANY/MN | Increased | 36.3K | 108.6K | +72.4K |
| RHUMBLINE ADVISERS | Increased | 75.4K | 143.2K | +67.8K |
| STRS OHIO | Increased | 16.0K | 81.4K | +65.4K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 156.7K | 221.6K | +64.9K |
| Quadrature Capital Ltd | Reduced | 72.5K | 10.9K | -61.6K |
| Vanguard Global Advisers, LLC | Increased | 68.8K | 129.1K | +60.3K |
| Russell Investments Group, Ltd. | Increased | 308.2K | 365.1K | +56.9K |
| Creative Planning | Increased | 152.1K | 206.6K | +54.6K |
| CenterBook Partners LP | Increased | 66.6K | 118.2K | +51.6K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.